Data Validation

Validate data with schemas across languages and formats. Use when defining JSON Schema, using Zod (TypeScript) or Pydantic (Python), validating API request/response shapes, checking CSV/JSON data integrity, or setting up data contracts between services.

data-analyst

Expert data analyst specializing in business intelligence, data visualization, and statistical analysis. Masters SQL, Python, and BI tools to transform raw d...

D3.js — A JavaScript library for data visualization.

D3.js (Data-Driven Documents) — A JavaScript library for data visualization. Covers installation, selections, data binding, scales, shapes, transitions, 30+...

Senior Data Engineer

Data engineering skill for building scalable data pipelines, ETL/ELT systems, and data infrastructure. Expertise in Python, SQL, Spark, Airflow, dbt, Kafka,...

Llm Data Automation

Automate construction data processing using LLM (ChatGPT, Claude, LLaMA). Generate Python/Pandas scripts, extract data from documents, and create automated p...

Data Analyst Pro

Professional data analysis skill pack - SQL queries, Python analytics, visualization, and automated reports. Perfect for data analysts, developers, and busin...

senior-data-engineer

World-class data engineering skill for building scalable data pipelines, ETL/ELT systems, real-time streaming, and data infrastructure. Expertise in Python,...

Data Organization Refactoring

Apply the correct data organization refactoring when code smells in data structure design are diagnosed — Primitive Obsession, Data Clumps, Data Class, or ra...